compoundchem: Limescale clogging up your kettle? Here’s how it got there, and how to remove it! http://wp.me/p4aPLT-1IE

compoundchem: Limescale clogging up your kettle? Here’s how it got there, and how to remove it! http://wp.me/p4aPLT-1IE

Design-Is-Fine: Casio Calculator, 1969-1972. Japan. Source

Design-Is-Fine: Reusch, Illustration For Calculator Ad, 1926. Hamann-Manus, Berlin. From The Magazin Gebrauchsgraphik.via Magazines.iaddb.org

Design-Is-Fine: Johann Christoph Schuster, Calculating Machine, 1789. Germany. Deutsches Museum

Mentalflossr:name Every Shade Of The Rainbow With This ‘Color Thesaurus’

Clickholeofficial: An Oral History Of Newman’s Own Salad Dressing Robert Redford (Co-Star, Butch Cassidy And The Sundance Kid): On The Last Day Of Filming For Butch Cassidy, Paul And I Talked About Things We Wanted To Accomplish Outside Of Our Acting

Cgmfindings: Hunt Roskelllondon 1887

Ghostlywatcher: Bridge Of Sighs In Cambridge. England

Only In The Dark You Can See The Stars

Did-You-Kno: A Unique Tree Near Piemonte, Italy, Called The ‘Double Tree Of Casorzo’ Is Actually Two Trees In One: A Cherry Tree Growing On Top Of A Mulberry Tree. Source

Historical Artefact

Michaelmoonsbookshop: Late 19Th Century Anatomical Plates From An Encyclopaedia C1880 The Backbone

Startswithabang: The Dark Side Of The Universe: A Live-Blog Event!“But Perhaps Shockingly, Even Looking Out This Deep Into The Abyss And Finding Stars, Gas, And All Other Sorts Of Luminous And Non-Luminous Matter Made Up Of The Same Basic Things We

Tushy TwinGirls